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  • 100% Waterproof 4\" E4 LED Round Stop Tail Light Rear Combination Lamp for Bus Trailer Truck-Car Light Accessory
  • 100% Waterproof 4\" E4 LED Round Stop Tail Light Rear Combination Lamp for Bus Trailer Truck-Car Light Accessory
  • 100% Waterproof 4\" E4 LED Round Stop Tail Light Rear Combination Lamp for Bus Trailer Truck-Car Light Accessory
  • 100% Waterproof 4\" E4 LED Round Stop Tail Light Rear Combination Lamp for Bus Trailer Truck-Car Light Accessory
100% Waterproof 4\" E4 LED Round Stop Tail Light Rear Combination Lamp for Bus Trailer Truck-Car Light Accessory
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100% Waterproof 4\" E4 LED Round Stop Tail Light Rear Combination Lamp for Bus Trailer Truck-Car Light Accessory

  • 5 - 99 Pieces
    $9.95
  • 100 - 499 Pieces
    $8.50
  • 500 - 999 Pieces
    $6.50
  • >= 1000 Pieces
    $5.80

Customization:

Customized logo（Min.Order: 500 pieces）
Customized packaging（Min.Order: 500 pieces）
Graphic customization（Min.Order: 500 pieces）
View product details

100% Waterproof 4\" E4 LED Round Stop Tail Light Rear Combination Lamp for Bus Trailer Truck-Car Light Accessory

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Stop/Tail Light Signaling: Designed to provide clear red LED illumination for brake, stop, and tail light functions, ensuring visibility in low-light conditions.
  • Weatherproof Performance: 100% waterproof construction (IP67 rated) for reliable operation in harsh outdoor environments, including rain, snow, and dust.

Key features

  • 1. Durable Material Technology

    • With polycarbonate (PC) and UV-treated construction, ensure long-lasting durability and 100% waterproof performance in harsh outdoor conditions. This outperforms traditional plastic materials prone to fading or cracking over time*

  • 2. High-Performance LED Illumination

    • With high-output E4 LED technology, achieve 50% brighter red light output compared to standard halogen bulbs, enhancing visibility in low-light environments*

  • 3. Commercial-Grade Scenario Adaptability

    • Designed for heavy-duty commercial vehicles like buses and trucks, this rear combination lamp ensures consistent operation under frequent braking and adverse weather conditions, unlike consumer-grade lights*

  • 4. Universal Installation Flexibility

    • With pre-mounted brackets and universal wiring compatibility, easily install across diverse vehicle models without custom modifications, saving time compared to non-universal designs*

  • 5. Safety-Certified Automotive Standards

    • Constructed with automotive-grade materials and adhering to industry safety protocols (e.g., waterproofing and LED reliability), ensuring compliance with road safety regulations for commercial and heavy vehicles*

Product details

100% Waterproof 4\" E4 LED Round Stop Tail Light Rear Combination Lamp for Bus Trailer Truck-Car Light Accessory

The 4" E4 LED Round Stop Tail Light is a rugged, modern lighting solution designed for buses, trucks, and trailers. Built with polycarbonate (PC) and high-intensity LEDs, it offers 100% waterproof protection (IP68) and a sleek concentric-circle design for both safety and aesthetics. This universal-fit light ensures compliance with traffic regulations while adapting to diverse vehicle models.

Technical specifications

FeatureSpecificationBenefit
MaterialPolycarbonate (PC) + High-Intensity LEDsDurable, impact-resistant construction
Size4-inch diameterFits standard mounting brackets
WaterproofIP68Operates in harsh weather (rain, snow)
Light ColorRed (ECE R10 compliant)Standard brake/tail light visibility
Brightness800 lumens (Base)Ensures visibility up to 1,000 feet
Durability50,000-hour lifespanMinimal maintenance for long-term use

Customization guide

Adjustable mounting brackets and wiring harnesses allow seamless installation across vehicle models. Custom color options (e.g., fleet branding) are available upon request.

Get inspired

With its modern concentric-circle design and 100% waterproof rating, this light enhances both safety and style for commercial vehicles. Whether you’re driving through heavy rain or navigating urban traffic, its red LED array ensures clear visibility for all road users.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Brightness800 lm+15% (920 lm)+30% (1,040 lm)*
WaterproofIP65IP67IP68
MTBF (Hours)10,00015,00020,000
MaterialPCPC + ABSABS Reinforced

Supplier's note

  1. Key Technical Breakthroughs:

    • IP68 Waterproofing (Pro): Triple the water resistance of standard models, enabling use in extreme conditions like floods.
    • E4 LED Efficiency: 40% lower energy consumption vs. halogen bulbs, reducing operational costs.
    • Universal Mounting System: Adapts to 90% of commercial vehicles, cutting installation time by 50%.

  2. Version Selection Guide:

    • Base Model: Ideal for basic trucks needing reliable rear lighting.
    • Advanced Model: Perfect for long-haul buses requiring enhanced durability (PC+ABS) and brighter visibility.
    • Pro Model: Designed for construction or off-road fleets needing IP68 protection and peak brightness.

*Pro Model brightness exceeds industry benchmarks by 30%, ensuring visibility in heavy fog or nighttime conditions.

Frequently asked questions

  • Which models of trucks or buses is this 4" E4 LED tail light compatible with?

  • How do I clean and maintain the 100% waterproof 4" E4 LED truck tail light?

  • Why is PC material better than glass for truck trailer tail lights?

  • Can this 4" E4 LED tail light be customized for specific truck models?

  • Is the 100% waterproof 4" E4 LED tail light IP-rated or certified for automotive use?

  • Does the 4" E4 LED truck tail light work in heavy rain or snow?

  • Is installing the 4" E4 LED tail light on a bus or trailer complicated?

  • How long do the LEDs in this 4" E4 truck tail light last compared to traditional bulbs?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material QualityHeavy-duty commercial vehiclesIndustry Standard: ABS Plastic (Basic durability) ▲
Our Base: Durable PC Housing (MIL-STD-810G) ▲▲
Our Advanced: Reinforced PC with UV Coating (ASTM D4303)		Base resists impacts; Advanced prevents UV degradation for outdoor use.Standard may crack in harsh UV; Advanced adds weight/cost.
Light OutputLow-light driving, emergency brakingIndustry Standard: 800 lm ▲
Our Base: 1200 lm ▲▲
Our Advanced: 1800 lm (IEC 60598)		Advanced meets IEC standards for commercial fleets; Base exceeds basic safety norms.Standard may fail in fog; Advanced consumes more power.
Waterproof RatingHarsh weather, frequent washdownsIndustry Standard: IP67 ▲
Our Base: IP68 ▲▲
Our Advanced: IP69K (Protected against high-pressure jets)		Advanced withstands industrial cleaning; Base handles rain.Standard risks water ingress in storms; Advanced requires precise installation.
Chemical ResistanceIndustrial zones with chemical exposureIndustry Standard: No certification ▲
Our Base: Withstands 30+ chemicals (ASTM D543) ▲▲
Our Advanced: 50+ chemicals (ASTM D543)		Base protects against common chemicals; Advanced for hazardous environments.Standard corrodes quickly; Advanced is cost-prohibitive for personal use.
Installation FlexibilityCustom vehicle setupsIndustry Standard: Limited brackets ▲
Our Base: Universal mounts ▲▲
Our Advanced: Customizable brackets + wiring harnesses		Advanced suits complex trailers; Base fits most trucks.Standard requires manual adjustments; Advanced adds setup complexity.
LifespanLong-term commercial useIndustry Standard: 20,000 hours ▲
Our Base: 30,000 hours ▲▲
Our Advanced: 50,000 hours (IEC 61730)		Advanced reduces replacement costs for fleets; Base outlasts Standard.Standard needs frequent replacements; Advanced has higher upfront cost.

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